Surface treatment: black oxide; hole thread size designator (2) holes no. 0(0.060")-80 and (1) hole no. 2(0.086")-56; threaded hole location: (2) no. 0(0.060") holes through hub located 0.093" from end of hub, (1) no. 2(0.086") hole located 90 deg. From no. 0 holes; threaded hole qty: 3; securing method: threaded hole; bore counterbore feature: included; keying facility: not included; counterbore location: coupling end; hub od: 0.255" nom.; thread provision: unthreaded; flange thickness: 0.187" nom.; counterbore depth: 0.060" nom.; counterbore dia.: 0.156" nom.
No other part numbers with same form, fit, and function found.
A mechanical item used to connect a shaft and the mating member of a flexible or rigid coupling.
Classification: Shaft couplings, except universal joints
NSN 5855-01-351-2541
NSN 5905-00-928-4068
NSN 5960-01-583-4737
NSN 5996-01-147-6054
NSN 6610-00-543-1402
NSN 5920-00-821-7394
NSN 6220-01-539-3987
NSN 2925-00-233-5644
NSN 5855-01-634-0259
NSN 6135-00-715-4001
NSN 6220-01-019-7606
NSN 5945-01-634-0588